i'll be upgrading as well for BF3.  I'm similar the OP, E6850 @ 3.6GHz, 4GB, and a 5770 I put in last year when BC2 came out.  Looking forward to October 
Will probably go with a 2500K, not quite sure yet on what vid card to get, might go back to nV, we'll see.
			
			Will probably go with a 2500K, not quite sure yet on what vid card to get, might go back to nV, we'll see.
				
		
			